RFR: JDK-8309747: Update --release 21 symbol information for JDK 21 build 27

[Joe Darcy]

Usual symbol file update in JDK 22 for the newest JDK 21 build.

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Commit messages:
 - JDK-8309747: Update --release 21 symbol information for JDK 21 build 27

Changes: https://git.openjdk.org/jdk/pull/14503/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14503&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309747
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14503.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14503/head:pull/14503

PR: https://git.openjdk.org/jdk/pull/14503